RUDRA'S PHARMACOLOGY

HISTAMINERGIC AGONISTS

1. Nonselective (H1+H2+H3) agonists:

           Histamine

           Betahistine

2.Selective H1 agonists:

           2-Methylhistamine

           2-Pyridyl ethylamine

           2-Thiazolyl ethylamine

3. Selective H2 agonists:

           4-Methylhistamine

           Dimaprit

           Impromidine

4. Selective H3 agonists

           (R) α-Methylhistamine

           Imetit